LayerReader.txt @ 76

Revision 76, 1.3 KB checked in by djay, 12 years ago (diff)
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2	.. currentmodule:: GeoExt.data
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4	:class:`GeoExt.data.LayerReader`
5	================================================================================
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8	.. cssclass:: meta
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11	Extends
12	* `Ext.data.DataReader <http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader>`_
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20	.. class:: LayerReader(meta, recordType)
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22	Data reader class to create an array of
23	:class:`GeoExt.data.LayerRecord` objects from an array of
24	``OpenLayers.Layer`` objects for use in a
25	:class:`GeoExt.data.LayerStore` object.
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29	Example Use
30	-----------
31
32	Sample using a reader to create records from an array of layers:
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34	.. code-block:: javascript
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36	var reader = new GeoExt.data.LayerReader();
37	var layerData = reader.readRecords(map.layers);
38	var numRecords = layerData.totalRecords;
39	var layerRecords = layerData.records;
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48	Public Methods
49	--------------
50
51	Public methods in addition to those
52	listed for `Ext.data.DataReader <http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader>`_.
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55	.. method:: LayerReader.readRecords
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57	:param layers: ``Array(OpenLayers.Layer)`` List of layers for creating
58	records.
59	:return: ``Object`` An object with ``records`` and ``totalRecords``
60	properties.
61
62	From an array of ``OpenLayers.Layer`` objects create a data block
63	containing :class:`GeoExt.data.LayerRecord` objects.
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